Make NoSuchRecordException subclass NoSuchElementException to comply with Java iteration

Author: boggle

driver/src/main/java/org/neo4j/driver/v1/exceptions/Neo4jException.java

@@ -19,7 +19,8 @@
 package org.neo4j.driver.v1.exceptions;
 
 /**
- * This is the base class for all Neo4j exceptions.
+ * This is the base class for all exceptions caused as part of communication with the remote Neo4j server.
+ *
  * @since 1.0
  */
 public abstract class Neo4jException extends RuntimeException

driver/src/main/java/org/neo4j/driver/v1/exceptions/NoSuchRecordException.java

@@ -18,10 +18,16 @@
  */
 package org.neo4j.driver.v1.exceptions;
 
+import java.util.NoSuchElementException;
+
 /**
+ * Thrown whenever a client expected to read a record that was not available (i.e. because it wasn't returned by the server).
+ *
+ * This usually indicates an expectation mismatch between client code and database application logic.
+ *
  * @since 1.0
  */
-public class NoSuchRecordException extends ClientException
+public class NoSuchRecordException extends NoSuchElementException
 {
     private static final long serialVersionUID = 9091962868264042491L;